How to make it

Combine the sweet potatoes, sweetener, egg whites, salt, and vanilla in a food processor or blender and process until smooth. Spoon into the baking dish.

3

Stir together the brown sugar, pecans, flour, and margarine in a medium bowl. Lightly sprinkle over the sweet potato mixture. Spray the top with butter-flavored spray and bake until lightly browned, about 30 minutes. Serves 12.